题目内容
四颗地球卫星a、b、c、d的排列位置如图所示,其中,a是静止在地球赤道上还未发射的卫星b是近地轨道卫星,c是地球同步卫星,d是高空探测卫星,四颗卫星相比较
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250038326706492.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250038326706492.jpg)
A.a的向心加速度最大 |
B.相同时间内b转过的弧长最长 |
C.c相对于b静止 |
D.d的运动周期可能是23h |
B
试题分析:赤道上面未发射的卫星a和同步卫星c相对静止,角速度相同,所以向心加速度
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832686511.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832702431.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832717465.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832733456.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832748454.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832780742.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832811554.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832826540.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832842401.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832858835.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825003832889981.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目